Tome Of Horrors Complete     Pathfinder original/official source
MojoBob (web)     D&D 2e original/official source
Scruffy Grognard's Monstrous Manual     D&D 2e (no source link)
Hacklopedia Of Beasts Vol 1     Hackmaster original/official source
Animal Archive     d20 (no source link)
Mystara Adversary Compendium I     Dragon Age original/official source
Adventures Dark And Deep     Adventures Dark And Deep (no source link)